slapos_panel: do not allow to edit remote parameters

This increase complexity, as user do not get the impacts of such changes.
Better create a new remote node if needed.

master/bt5/slapos_panel/SkinTemplateItem/portal_skins/slapos_panel/RemoteNode_viewOnSlaposPanel/my_destination_project_title.xml

@@ -10,6 +10,7 @@
             <key> <string>delegated_list</string> </key>
             <value>
               <list>
+                <string>editable</string>
                 <string>portal_type</string>
                 <string>title</string>
               </list>
@@ -72,6 +73,10 @@
             <key> <string>values</string> </key>
             <value>
               <dictionary>
+                <item>
+                    <key> <string>editable</string> </key>
+                    <value> <int>0</int> </value>
+                </item>
                 <item>
                     <key> <string>field_id</string> </key>
                     <value> <string>my_relation_field</string> </value>

master/bt5/slapos_panel/SkinTemplateItem/portal_skins/slapos_panel/RemoteNode_viewOnSlaposPanel/my_destination_section_title.xml

@@ -10,6 +10,7 @@
             <key> <string>delegated_list</string> </key>
             <value>
               <list>
+                <string>editable</string>
                 <string>portal_type</string>
                 <string>title</string>
               </list>
@@ -72,6 +73,10 @@
             <key> <string>values</string> </key>
             <value>
               <dictionary>
+                <item>
+                    <key> <string>editable</string> </key>
+                    <value> <int>0</int> </value>
+                </item>
                 <item>
                     <key> <string>field_id</string> </key>
                     <value> <string>my_relation_field</string> </value>